Fix order of third party libs compilation and options used by them
Fix order of third party libs compilation and options used by them

WITH_FAST_DETECTOR was defined too late and third_party folder
didn't see this option.

rgkoo/libmv-blender,petertsoi/libmv,rgkoo/libmv-blender,rgkoo/libmv-blender,SoylentGraham/libmv,SoylentGraham/libmv,rgkoo/libmv-blender,rgkoo/libmv-blender,SoylentGraham/libmv,petertsoi/libmv,SoylentGraham/libmv,petertsoi/libmv,petertsoi/libmv